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Cheap Flights to Union County from ₩1,359,900

View ₩1,359,900 flight on Mon, Sep 28, 2026Opens in a new window

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How much is the cheapest flight to Union County?

Prices were available within the past 7 days and start at ₩1,359,900 for one-way flights and ₩2,499,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Dec 22 - Mon, Dec 28
ICN
Seoul
GSP
Greenville
₩2,499,700 Roundtrip, found 1 day ago
₩2,499,700
Roundtrip
found 1 day ago
Select United flight, departing Tue, Dec 22 from Seoul to Greenville, returning Mon, Dec 28, priced at ₩2,499,700 found 1 day ago
United
Mon, Sep 28 - Sun, Oct 11
ICN
Seoul
GSP
Greenville
₩2,499,900 Roundtrip, found 19 hours ago
₩2,499,900
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Sep 28 from Seoul to Greenville, returning Sun, Oct 11, priced at ₩2,499,900 found 19 hours ago
American Airlines
Mon, Sep 28 - Sun, Oct 11
ICN
Seoul
GSP
Greenville
₩2,511,400 Roundtrip, found 19 hours ago
₩2,511,400
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Mon, Sep 28 from Seoul to Greenville, returning Sun, Oct 11, priced at ₩2,511,400 found 19 hours ago
United
Fri, Nov 20 - Fri, Dec 4
ICN
Seoul
GSP
Greenville
₩2,574,900 Roundtrip, found 22 hours ago
₩2,574,900
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Nov 20 from Seoul to Greenville, returning Fri, Dec 4, priced at ₩2,574,900 found 22 hours ago
American Airlines
Fri, Nov 20 - Fri, Dec 4
ICN
Seoul
GSP
Greenville
₩2,583,800 Roundtrip, found 22 hours ago
₩2,583,800
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Fri, Nov 20 from Seoul to Greenville, returning Fri, Dec 4, priced at ₩2,583,800 found 22 hours ago
American Airlines
Mon, Jul 6 - Fri, Jul 24
ICN
Seoul
GSP
Greenville
₩2,588,400 Roundtrip, found 1 day ago
₩2,588,400
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Jul 6 from Seoul to Greenville, returning Fri, Jul 24, priced at ₩2,588,400 found 1 day ago
Delta
Tue, Dec 22 - Mon, Dec 28
ICN
Seoul
GSP
Greenville
₩2,618,300 Roundtrip, found 1 day ago
₩2,618,300
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 22 from Seoul to Greenville, returning Mon, Dec 28, priced at ₩2,618,300 found 1 day ago
United
Mon, Sep 28 - Sun, Oct 11
ICN
Seoul
GSP
Greenville
₩2,630,300 Roundtrip, found 19 hours ago
₩2,630,300
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Sep 28 from Seoul to Greenville, returning Sun, Oct 11, priced at ₩2,630,300 found 19 hours ago
Cathay Pacific
Fri, Nov 20 - Fri, Dec 4
ICN
Seoul
GSP
Greenville
₩2,661,400 Roundtrip, found 22 hours ago
₩2,661,400
Roundtrip
found 22 hours ago
Select Cathay Pacific flight, departing Fri, Nov 20 from Seoul to Greenville, returning Fri, Dec 4, priced at ₩2,661,400 found 22 hours ago
Lufthansa
Tue, Dec 22 - Mon, Dec 28
ICN
Seoul
GSP
Greenville
₩2,738,300 Roundtrip, found 1 day ago
₩2,738,300
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Dec 22 from Seoul to Greenville, returning Mon, Dec 28, priced at ₩2,738,300 found 1 day ago

Trending flights to Union County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Dec 22 - Mon, Dec 28
ICN
Seoul
GSP
Greenville
₩2,499,700 Roundtrip, found 1 day ago
₩2,499,700
Roundtrip
found 1 day ago
Select United flight, departing Tue, Dec 22 from Seoul to Greenville, returning Mon, Dec 28, priced at ₩2,499,700 found 1 day ago

Frequently asked questions

How do I find cheap flights to Union County that have flexible change policies?
At Expedia, we've been channeling our inner yoga master to get you the most flexible fares in town. Just click on "No change fee" directly under the filter subheading "Flexible change policies" to find your ideal flight to Union County.
Which airlines fly to Union County?
Reserve your seat with one of these airlines and the dynamic region of Union County will be yours to discover:

  • American Airlines - 529 flights to or near Union County each month, including 529 flights to Greenville-Spartanburg Intl. Airport (GSP) per month.
  • Delta Air Lines - 333 flights to or near Union County each month, including 333 flights to Greenville-Spartanburg Intl. Airport (GSP) per month.
  • United Airlines - 234 flights to or near Union County each month, including 234 flights to Greenville-Spartanburg Intl. Airport (GSP) per month.

How can I find cheap tickets to Union County?
You'll always get an amazing deal with Expedia, but our "flexible dates" search function makes it even easier. Enter your preferred travel date, then click on the flexible dates link above to reveal the cheapest prices for nearby days. ₩2,499,700 was the cheapest price for a flight to Union County in the last seven days.
How much is a flight to Union County?
One-way trips departing from Seoul (ICN) sold for just ₩1,359,900 in the last seven days. During this time, the cost of a return air ticket to Union County ranged between ₩2,499,700 and ₩2,738,300. If you spot a good deal, book immediately — these fares don't stick around for long.
What are the most popular airports to fly into in Union County?
Fly into Greenville-Spartanburg Intl. Airport (GSP) and experience all that Union County has to offer. As the region's main entry point, roughly 1,253 flights land here every month.
When is the cheapest time to fly to Union County?
Jet off on a Tuesday to raise your chances of securing the cheapest deal to Union County. Mondays are usually the next most affordable day to take off. Saturday is generally the costliest day to fly anywhere.
How much is a plane ticket to Union County?
Ticket prices to Union County ranged from ₩2,499,700 to ₩2,738,300 in the last seven days. Usually, the earlier you make a reservation, the bigger the bargain.
What is the best time to go to Union County?
If you want to check out Union County's leading city when it's at its liveliest, head for Union sometime during April, June and December. Like most places in the Northern Hemisphere, summertime here begins June 20, with temperatures ranging between 70ºF and 90ºF.
What months are the cheapest to book a flight to Union County?
February is the best month to snap up a fabulous deal to Union County. Bear in mind that the priciest time to book a ticket in the U.S. Isn't the middle of summer, but the month of December.

Book with confidence

About Union County

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About Union County
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